## Midterm Physics

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skoufman97  on January 17, 2012

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# Midterm Physics

 Newton's First Lawan object at rest will stay at rest, an object that is moving will stay moving unless disturbed by an un balenced force.
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#### Definitions

Newton's First Law an object at rest will stay at rest, an object that is moving will stay moving unless disturbed by an un balenced force.
Newton's Second Law the net force of an object is equal to the product of it's acceleration and mass.
Newton's Third Law for every action there is an equal and opposite reaction
Acceleration on the Sun 274 m/s squared
Acceleration on Earth 9.8 m/s squared
Mass how much matter that an object takes up
Weight how much earth's gravity pulls on you
how does a photogate work? it measures the time by detecting the blocking or unblocking of a beam of light
in order for something to have a balanced force it is either standing still or moving in a straight line at a constant speed
Pseudoscience a belief or practice that is claimed to be scientific, but which does not adhere to an appropriate scientific methodology, lacks supporting evidence or plausibility, or otherwise lacks scientific status.
Fn Normal Force
Gallileo did what? Built a telescope and used it to discover the mountains on the moon and the moons of Jupiter
Violent Motion motion that is the result from pushing or pulling
Natural Motion motion associated with the nature of bodies; the motion of smoke
light year a unit for measuring distance and it is about 6 trillion miles
relativity the branch of physics that deals with particles moving at very high speeds ex particle accelerators and particle colliders
Nano billionth
Milli thousandth
Centi hundredth
Kilo thousand
Independent Variable the experimental factor that is manipulated; the variable whose effect is being studied
Dependent Variable the outcome factor; the variable that may change in response to manipulations of the independent variable
How Many tons are on a jet 60
study the diagram of science from exam one .

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